The reactions of 6-amino-1,3-dimethyl-5-nitrosouracil with various thiols lead to condensation as well as oxidation–reduction products. Disulphides, 4,6-dimethyl[1,2,5]thiadiazolo[3,4-d]pyrimidine-5,7-dione, pteridine-2,4-diones, purine-2,6-diones, pyrimidopteridines, and 5,6-diamino-1,3-dimethyluracil were among those isolated. The mechanism of the reaction is discussed.
R. D. Youssefyeh, J. Chem. Soc., Perkin Trans. 1, 1975, 1857 DOI: 10.1039/P19750001857
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